/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Presentity presence unsubscription operation

 *

*/

#include <ximpprotocolconnection.h>

#include <protocolpresencewatching.h>

#include <protocolpresencefeatures.h>

#include "operationunsubscribepresentitypresence.h"

#include "presenceinfofilterimp.h"

#include "ximpidentityimp.h"

#include "ximpobjecthelpers.h"

#include "presencedatacacheimp.h"

#include "ximppanics.h"

#include "operationsynthesisesubscriptionevent.h"

#include "ximphost.h"

#include "ximpstatusimp.h"

#include "ximppsccontextimp.h"

#include "protocolpresencedatahostimp.h"

#include "ximptrace.h"

// ============================ MEMBER FUNCTIONS =============================

// ---------------------------------------------------------------------------

// COperationUnsubscribePresentityPresence::COperationUnsubscribePresentityPresence()

// ---------------------------------------------------------------------------

//

EXPORT_C COperationUnsubscribePresentityPresence::COperationUnsubscribePresentityPresence()

    {

    }

// ---------------------------------------------------------------------------

// COperationUnsubscribePresentityPresence::~COperationUnsubscribePresentityPresence()

// ---------------------------------------------------------------------------

//

COperationUnsubscribePresentityPresence::~COperationUnsubscribePresentityPresence()

    {

    delete iIdentity;

    if( iSubItem )

        {

        iSubItem->Close();

        }

    }

// ---------------------------------------------------------------------------

// COperationUnsubscribePresentityPresence::ConstructL()

// ---------------------------------------------------------------------------

//

void COperationUnsubscribePresentityPresence::ConstructL( const TDesC8& aParamPck )

    {

    iIdentity = CXIMPIdentityImp::NewLC();

    CleanupStack::Pop( iIdentity );

    TXIMPObjectPacker< CXIMPIdentityImp >::UnPackL( *iIdentity, aParamPck );

    }

// ---------------------------------------------------------------------------

// COperationUnsubscribePresentityPresence::ProcessL()

// ---------------------------------------------------------------------------

//

void COperationUnsubscribePresentityPresence::ProcessL()

    {

    TRACE(_L("COperationUnsubscribePresentityPresence::ProcessL()" ) );

    CXIMPOperationBase::ProcessL();

    CPresentityPresenceSubscriptionItem& subItem =

                iMyHost->PresenceDataAccess().PresenceDataCache().PresentityPresenceSubscriptionItemLC( *iIdentity );

    CleanupStack::Pop(); // subItem

    iSubItem = &subItem;

    iSubscriptionStatus = iSubItem->SubscriptionStatus( iContext );

    MProtocolPresenceWatching& watching = iMyHost->GetConnection().ProtocolPresenceFeatures().PresenceWatching();

    iContext->SetPresenceInfoFilterL( MXIMPPscContext::EPresentityPresenceFilter,

            NULL, iIdentity );

    switch( iSubscriptionStatus )

        {

        case CPresentityPresenceSubscriptionItem::ESubscribedForCtxOnly:

            {

            TRACE(_L("COperationUnsubscribePresentityPresence::ProcessL() DoUnsubscribePresentityPresenceL" ) );

            TInt err ( KErrNone );

            // If this fails, subscription needs to be removed anyway,

            // if everything went ok, subscription is removed in RequestCompleted

            TRAP( err, watching.DoUnsubscribePresentityPresenceL( *iIdentity, iReqId ) );

            if ( KErrNone != err )

                {

                iSubItem->RemoveSubscriber( iContext );

                User::Leave( err );

                }

            break;

            }

        case CPresentityPresenceSubscriptionItem::ESubscribedForCtxAndOthers:

            {

            CPresenceInfoFilterImp* pifWithoutCtx =

                iSubItem->CollectSubscriptionPifWithoutCtxL( iContext );

            CleanupStack::PushL( pifWithoutCtx );

            if ( iSubItem->SubscriptionPif().Contains( *pifWithoutCtx ) )

                {

                TRACE(_L("COperationUnsubscribePresentityPresence::ProcessL() DoUpdatePresentityPresenceSubscriptionPifL" ) );

                TInt err ( KErrNone );

                // If this fails, subscription needs to be removed anyway,

                // if everything went ok, subscription is removed in RequestCompleted

                TRAP( err, watching.DoUpdatePresentityPresenceSubscriptionPifL( *iIdentity, *pifWithoutCtx, iReqId ) );

                if ( KErrNone != err )

                    {

                    iSubItem->RemoveSubscriber( iContext );

                    User::Leave( err );

                    }

                }

            else

                {

                TRACE(_L("COperationUnsubscribePresentityPresence::ProcessL() FakeCompleteRequest 1" ) );

                iMyHost->FakeCompleteRequest( iReqId, KErrNone );

                }

            CleanupStack::PopAndDestroy( pifWithoutCtx );

            break;

            }

        case CPresentityPresenceSubscriptionItem::ENotSubscribedAtAll:

        case CPresentityPresenceSubscriptionItem::ESubscribedForOtherCtxOnly:

            {

            TRACE(_L("COperationUnsubscribePresentityPresence::ProcessL() FakeCompleteRequest 2" ) );

            iMyHost->FakeCompleteRequest( iReqId, KErrNone );

            break;

            }

        XIMP_DEFAULT_CASE_UNSUPPORTED( NXIMPPrivPanic::EInvalidSubscriptionStatus );            

        }

    }

// ---------------------------------------------------------------------------

// COperationUnsubscribePresentityPresence::RequestCompleted()

// ---------------------------------------------------------------------------

//

void COperationUnsubscribePresentityPresence::RequestCompletedL()

    {

    TRACE(_L("COperationUnsubscribePresentityPresence::RequestCompletedL()" ) );

    CXIMPOperationBase::RequestCompletedL();

    TRACE_1(_L("COperationUnsubscribePresentityPresence::RequestCompletedL() result=%d" ),iStatusObj->ResultCode() );

    if( iStatusObj->ResultCode() == KErrNone )

        {

        switch( iSubscriptionStatus )

            {

            case CPresentityPresenceSubscriptionItem::ESubscribedForCtxOnly:

            case CPresentityPresenceSubscriptionItem::ESubscribedForCtxAndOthers:

                {

                TRACE(_L("COperationUnsubscribePresentityPresence::RequestCompletedL() removing context" ) );

                iSubItem->RemoveSubscriber( iContext );

                break;

                }

            case CPresentityPresenceSubscriptionItem::ENotSubscribedAtAll:

            case CPresentityPresenceSubscriptionItem::ESubscribedForOtherCtxOnly:

                {

                TRACE(_L("COperationUnsubscribePresentityPresence::RequestCompletedL() nothing to do" ) );

                break;

                }

            XIMP_DEFAULT_CASE_UNSUPPORTED( NXIMPPrivPanic::EInvalidSubscriptionStatus );

            }

        SynthesiseEventL();

        }

    }

// ---------------------------------------------------------------------------

// COperationUnsubscribePresentityPresence::Type()

// ---------------------------------------------------------------------------

//

TInt COperationUnsubscribePresentityPresence::Type() const

    {

    return NPresenceOps::EPrUnsubscribePresentityPresence;

    }

// ---------------------------------------------------------------------------

// COperationUnsubscribePresentityPresence::SynthesiseEventL()

// ---------------------------------------------------------------------------

//

void COperationUnsubscribePresentityPresence::SynthesiseEventL()

    {

    COperationSynthesiseSubscriptionEvent* synthOp =

            new ( ELeave ) COperationSynthesiseSubscriptionEvent(

                             COperationSynthesiseSubscriptionEvent::EPresentityPresence, EFalse );

    CleanupStack::PushL( synthOp );

    synthOp->BaseConstructL( TXIMPRequestId(), iContext );

    synthOp->ConstructL( *iIdentity );

    iMyHost->AddNewOperationL( *synthOp );

    CleanupStack::Pop( synthOp );

    }

// End of file